/**
 * Created with IntelliJ IDEA.
 * Description:
 */
public class Demo1 {
    public static void main(String[] args) {
        Object locker1 =new Object();
        Object locker2 =new Object();
        Thread t1 =new Thread(()->{
            synchronized(locker1){
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                synchronized (locker2){
                }
            }
            System.out.println("t1线程结束");
        });
        Thread t2 =new Thread(()->{
            synchronized(locker2){
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                synchronized (locker1){
                }
            }
            System.out.println("t2线程结束");
        });
        t1.start();
        t2.start();
    }
}
